This document provides instructions for using the service manual for the 2007 Nissan Altima. It describes the manual's contents and organization. Key sections include how to follow troubleshooting procedures, read wiring diagrams, understand abbreviations and terminology, and inspect for electrical issues. Safety precautions are also outlined, such as proper vehicle lifting points and procedures to avoid airbag deployment. Measurement units, torque specifications, and recommended chemicals are defined for repair and maintenance.